vulnerability-remediation jobs in San Diego

ManTech seeks a Systems Administrator to support national security infrastructure in San Diego, maintaining Windows servers, domain controllers, cloud resources, and VMware environments. The role combines network and systems administration, including configuring cryptographic network encryptors (TACLANE), troubleshooting site outages, performing vulnerability remediation with ACAS/Nessus, and managing user accounts.…See more Requires a Bachelor's degree with 4+ years of IT experience (or equivalent), DoD 8570 IAT Level II compliance, and 2+ years as a Network or Systems Administrator with enterprise Windows infrastructure expertise. Travel up to 25% and an active Top Secret/SCI clearance with polygraph eligibility are required.

ManTech seeks a Systems Administrator to maintain critical national security enterprise infrastructure in San Diego, working a 0100–0900 morning shift with on-call support. Responsibilities include administering Windows servers, domain controllers, cloud resources, and VMware environments; configuring and troubleshooting TACLANE cryptographic network encryptors; performing patch management, vulnerability remediation (ACAS/Nessus), and system hardening; and managing user accounts and ticketing incidents.…See more Requires a bachelor's degree with 4+ years of IT experience (or equivalent substitution), DoD 8570 IAT Level II compliance (Security+ CE or equivalent), 4+ years of enterprise Windows infrastructure design/deployment, and hands-on TACLANE encryptor experience. Up to 25% travel (CONUS and OCONUS) is required.

Network engineer responsible for designing, configuring, and sustaining mission-critical networked systems for DoD/government customers. Will engineer Cisco, Aruba, Juniper, and other switching/routing/firewall platforms; support full system lifecycle from staging through fielding and sustainment; implement secure architectures aligned with RMF and STIGs; and conduct site surveys, deployments, and troubleshooting in labs, shore facilities, and deployed environments.…See more Requires minimum 8 years of hands-on network engineering experience, DoD Secret clearance, relevant vendor certifications (CCNA/JNCIA or higher), and DoD 8570/8140 baseline security certification (Security+ CE minimum).

Network engineer providing advanced engineering, integration, and sustainment support for Navy AT/FP systems across global installations. You will engineer, configure, and sustain Juniper, Aruba, Cisco, and Cambium networking equipment; support end-to-end system lifecycle from staging through fielding; implement secure architectures aligned with RMF and STIGs; and conduct site surveys, installations, and operational verification during 50%+ travel.…See more Requires active interim Secret clearance with ability to obtain fully adjudicated clearance, Bachelor's degree with 5 years' experience (or HS/GED with 8 years), DoD 8570/8140 baseline certification, and hands-on experience with Juniper Junos, Aruba, and Cisco platforms.

Software Integration Engineer responsible for designing, developing, and deploying a hybrid container/virtualization platform-as-code solution supporting enterprise-scale workloads across on-prem and cloud environments. The role involves integrating core platform services (identity, PKI, DNS, logging, monitoring, secrets management), configuring container runtimes and networking, and developing infrastructure-as-code automation.…See more Requires 9+ years of experience (or equivalent with advanced degree) with cloud platforms, Kubernetes, virtualization, DevSecOps practices, CI/CD tooling, and automation frameworks, plus the ability to mentor junior engineers and collaborate across security, platform, and application teams on compliance, incident response, and AI/ML workload enablement.

The Systems Administrator / IT Systems Specialist will provide hands-on support for IT infrastructure including servers, networks, business applications, and end-user devices. Key responsibilities include managing support tickets, performing system maintenance and patching, administering Microsoft technologies (Windows Server, Active Directory, Microsoft 365, Azure AD), supporting VMware virtualization and backup/restore operations, and troubleshooting network connectivity issues.…See more The role requires 4+ years of IT support or systems administration experience, working knowledge of Microsoft infrastructure and virtualization platforms, and strong troubleshooting skills. This is an on-site position in San Diego, CA requiring travel to Mexico approximately once monthly.

Design, develop, and deploy a hybrid container/virtualization platform serving enterprise workloads across on-prem and cloud environments. Integrate core platform services (identity, PKI, DNS, logging, monitoring, secrets management) and support GPU-enabled AI/ML workloads.…See more Establish CI/CD pipelines, Infrastructure-as-Code automation, and standard operating procedures for configuration management, verification, and patch management. Lead cross-functional teams on containerization, DevSecOps, incident response, and ATO compliance efforts.

Design, engineer, configure, and sustain mission-critical networked systems for DoD customers, including Cisco (Catalyst, ISR, ASA/Firepower), Aruba (switching and wireless), Juniper (EX, QFX, SRX), and Cambium microwave solutions. Support end-to-end lifecycle from staging and integration through testing, fielding, and sustainment in NIWC labs, shore facilities, and data centers.…See more Implement secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs), perform system hardening and vulnerability remediation, and conduct site surveys and installations during frequent travel. Requires minimum 8 years of DoD or enterprise network engineering experience, DoD 8570/8140 baseline certification (Security+ minimum), and vendor certifications (JNCIA/CCNA or higher).

As a Network Engineer supporting Naval installations, you will design, configure, and sustain advanced networking infrastructure (Juniper, Aruba, Cisco) across shore facilities and data centers worldwide. You will engineer secure network architectures aligned with DoD Risk Management Framework and STIGs, perform system hardening and vulnerability remediation, and support end-to-end lifecycle operations from staging through fielding.…See more The role requires 8 years of hands-on network engineering experience, DoD Secret clearance, and DoD 8570 baseline certifications (Security+ CE minimum), with 50%+ travel to support CONUS and OCONUS operations.

This Systems Administrator II role supports containerized and cloud-based infrastructure for a defense-focused technology company. The administrator will maintain system documentation, configuration records, software inventories, and license tracking while supporting both Windows and Linux environments, networking infrastructure, and cybersecurity hardening.…See more Required experience includes Linux command-line proficiency, system configuration and troubleshooting, networking protocols (TCP/IP, DNS, DHCP, VPNs, firewalls), and cybersecurity practices. Preferred qualifications include containerization technologies (Docker, Kubernetes), edge computing hardware, cloud platforms (AWS, Azure), shell scripting, and tactical systems support.

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain enterprise-grade networked systems (Juniper, Aruba, Cisco, Cambium) across Navy installations worldwide. You will manage the full system lifecycle from staging and integration through fielding and sustainment, implement secure network architectures aligned with RMF and STIGs, and deploy networks in labs, shore facilities, and field environments.…See more The role requires hands-on expertise in Layer 2/3 technologies, routing protocols, VPNs, wireless deployments, and vulnerability remediation, with 50%+ travel to support CONUS and OCONUS operations.

This Platform Engineer III role owns the full lifecycle of infrastructure automation, CI/CD pipelines, and system deployment in a DoD environment. You will manage Git-based repositories, design and execute deployment automation workflows, and support casualty reporting and operational response.…See more Responsibilities include Linux/Windows system configuration, virtualization (VMware, Hyper-V, Docker, Kubernetes), scripting/automation (Python, PowerShell, Bash, Ansible, Terraform), network troubleshooting, cybersecurity compliance (STIGs, RMF, ATO), and root-cause analysis across complex integrated systems. The role requires 6+ years of progressively responsible platform engineering, systems integration, or DevOps experience in DoD, enterprise, or test environments, plus a Secret-level security clearance.

Platform Engineer III will manage and automate software delivery using Git-based repositories, CI/CD pipelines, and configuration version control. The role involves supporting system integration, hardware/software troubleshooting, root cause analysis, and technical documentation across complex DoD and enterprise environments.…See more Requires 6+ years of hands-on experience with Linux, Windows, virtualization (VMware, Hyper-V, Docker, Kubernetes), scripting/automation tools, and network infrastructure. Must develop automation and repeatable processes using Python, PowerShell, Bash, Ansible, Terraform, and similar technologies, while maintaining compliance with cybersecurity standards and STIG requirements.

Network Engineer responsible for designing, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, Cambium, and Antaira equipment. The role spans end-to-end lifecycle activities: staging, integration, testing, fielding, and sustainment of networks in labs, shore facilities, and data centers.…See more Requires hands-on expertise in Layer 2/3 technologies, routing protocols (OSPF, BGP), VPNs, firewalls, and wireless deployments, with mandatory compliance to RMF and STIGs. Must hold or obtain a DoD Secret clearance and meet DoD 8570/8140 baseline certification (Security+, CISSP, CASP+, or higher) plus vendor certifications (JNCIA/CCNA or higher).

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco) across Navy installations worldwide. You will design secure network architectures, implement RMF and STIG compliance, manage VLANs/routing/VPNs, support wireless deployments, and conduct site surveys and integration testing with 50%+ travel.…See more You must hold an active DoD Secret clearance, meet DoD 8570/8140 certification requirements (Security+ minimum), and have 8+ years of DoD or enterprise network engineering experience with hands-on expertise in Juniper, Aruba, and Cisco platforms.

As a Network Engineer supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced networking equipment (Juniper, Aruba, Cisco, Antaira, Cambium) across Navy installations worldwide. You will support the full system lifecycle—staging, integration, testing, fielding, and sustainment—of networked systems protecting mission-critical assets, implementing secure architectures aligned with RMF and STIGs, and conducting site surveys and operational verification testing during frequent travel (50%+).…See more The role requires hands-on expertise in Junos OS, ArubaOS, Cisco platforms, routing protocols (OSPF, BGP), VLANs, VPNs, firewalls, and vulnerability remediation, with a DoD 8570/8140 baseline certification and an active interim Secret clearance.

As a Network Engineer IV supporting Naval Information Warfare Center Pacific, you will engineer, configure, and sustain advanced Cisco, Aruba, Juniper, and other enterprise networking equipment for Navy Public Safety Systems. You will support the full system lifecycle—staging, integration, testing, fielding, and sustainment—across NIWC labs, shore facilities, and deployed environments.…See more Responsibilities include implementing secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs), performing system hardening and vulnerability remediation, and maintaining configuration baselines and technical documentation. You must hold or obtain a DoD Secret security clearance, possess DoD 8570/8140 baseline certification (Security+ CE minimum), and have 8+ years of hands-on network engineering experience with Juniper, Aruba, and Cisco platforms.

Network Engineer supporting the Global Sustainment Contract at Naval Information Warfare Center Pacific, responsible for engineering, configuring, and sustaining advanced networking equipment (Juniper, Aruba, Cisco, Antaira, Cambium) across Navy installations worldwide. The role encompasses end-to-end system lifecycle support including staging, integration, testing, fielding, and sustainment; deployment and troubleshooting in labs, shore facilities, and data centers; and implementation of secure network architectures aligned with Risk Management Framework (RMF) and Security Technical Implementation Guides (STIGs).…See more Requires 8 years of network engineering experience, active DoD Secret clearance, and DoD 8570/8140 baseline certification (Security+ CE minimum or higher such as CISSP or CASP+), with hands-on expertise in Juniper (Junos OS, EX/QFX/SRX), Aruba (ArubaOS, Instant AP, Aruba Central), Cisco (Catalyst, ISR, ASA, Firepower), and core networking technologies including Layer 2, routing protocols (Static, OSPF, BGP), VPNs (IPSec), ACLs, and firewalls.

Network Engineer supporting Navy AT/FP systems worldwide, responsible for engineering, configuring, and sustaining Juniper, Aruba, and Cisco networking equipment across shore facilities and data centers. Role involves end-to-end system lifecycle management including staging, integration, testing, and fielding of networked systems; implementing secure architectures aligned with RMF and STIGs; and conducting vulnerability remediation and compliance validation.…See more Requires active interim Secret clearance with ability to obtain fully adjudicated Secret clearance, Bachelor's degree plus 5 years experience (or HS diploma plus 8 years), DoD 8570/8140 baseline certification (Security+ CE or higher), and hands-on expertise with Juniper Junos OS, Aruba ArubaOS, and Cisco platforms including routing protocols, VLANs, VPNs, and ACLs.

The Cybersecurity Engineer II will perform system hardening on Windows and Linux systems per DoD standards, implement and maintain STIGs, conduct vulnerability assessments using ACAS, and remediate security findings. The role requires 5 years of hands-on experience with STIG implementation, vulnerability assessment tools, vendor patching, and security compliance initiatives.…See more A Bachelor's degree in Cybersecurity or related field plus one or more certifications (CCNA, CySA+, GICSP, GSEC, Security+, or SSCP) and an active Secret clearance are required.

As a Cybersecurity Systems Engineer, you will develop and implement security solutions to protect military infrastructure, performing risk and vulnerability assessments across networks, systems, and applications. You'll troubleshoot complex security challenges, manage Navy Risk Management Framework (RMF) and Assessment & Authorization (A&A) activities, and implement cybersecurity controls using tools like ACAS, STIGs, and eMASS.…See more The role requires 3+ years of DoD/government IT experience, expertise in operating systems (Windows, Linux), network infrastructure (routers, switches, firewalls, zero-trust), and compliance testing. You will communicate security findings to both technical and non-technical audiences while identifying advanced threats and supporting Navy missions.